Unhappy Birthday Construction Acrylic Keyholder Keyakizaka46 Sakurazaka46 Keyakizaka46 Hinatazaka46 Nijika Ishimori, Rina Uemura, Rika Ozeki, Nana Oda, Minami Koike, Yui Kobayashi, Fuyuka Saito, Shiori Sato, Yuuka Sugai, Miyu Suzumoto, Nanako Nagasawa, Neru Nagahama, Mizuho Habu, Aoi Harada, Yurina Hirate, Akane Moriya, Rika Watanabe, Risa Watanabe, Rika Ishimori, Riko Endo, Rena Odakura, Nagisa Kojima, Aiki Taniguchi, Yuzuki Nakajima, Mio Matono, Sumire Mukai, Yu Murai, Mihane Murayama, Hizuki Yamashita Mao Iguchi, Sarina Ushio, Memi Kakizaki, Yuka Kageyama, Shiho Kato, Kyoko Saito, Kumi Sasaki, Mirei Sasaki, Mana Takase, Ayaka Takamoto, Mei Higashimura, Miku Kanemura, Hina Kawata, Nao Kosaka, Suzuka Tomita, Akari Nibu, Hiyori Hamagishi, Konoka Matsuda, Manamo Miyata, Miho Watanabe Manatsu Akimoto, Asuka Saito, Hina Higuchi, Maaya Wada, Hinako Kitano, Ayane Suzuki, Rena Yamazaki, Riria Ito, Renka Iwamoto, Minami Umezawa, Shiori Kubo, Tamami Sakaguchi, Kaede Sato, Reno Nakamura, Hazuki Mukai, Mizuki Yamashita, Ayano Christie Yoshida, Yuki Yoda Sakura Endoh, Haruka Kaki, Sayaka Kakehashi, Saya Kanagawa, Yuri Kitagawa, Miku Kuroki, Rika Sato, Yuna Shibata, Rei Seimiya, Mayu Tamura, Ayame Tsutsui, Seira Hayakawa, Runa Hayashi, Mio Yakubo, Nao Yumiki, Mao Ichinose, Tsubasa Ikeda, Miku Inoue, Hina Okamoto, Iroha Okuda, Sakura Kawasaki, Satsuki Sugawara, Nao Tomisato, Aruno Nakanishi